Alright, let's work through 378078 times 10937634 step by step
378078 × 10937634 = 10937634 × (378078)
+ 10937634 × 8 resulting in 87501072
+ 10937634 × 70 giving us 765634380
+ 10937634 × 000 which equals 0
+ 10937634 × 8000 resulting in 87501072000
+ 10937634 × 70000 that is equal 765634380000
+ 10937634 × 300000 producing 3281290200000

= 4135278787452
